X Real Number MCQ Assignments in Mathematics Class X (Term I) |

1. Euclid’s division algorithm can be applied to : |

(a) only positive integers (b) only negative integers |

(c) all integers (d) all integers except 0. |

2. For some integer m, every even integer is of the form : |

(a) m (b) m + 1 (c) 2m (d) 2m + 1 |

3. If the HCF of 65 and 117 is expressible in the form 65 m – 117, then the value of m is : |

(a) 1 (b) 2 (c) 3 (d) 4 |

4. If two positive integers p and q can be expressed as p = ab2 and q = a3b, a; b being prime numbers, then LCM (p, q) is : |

(a) ab (b) a2b2 (c) a3b2 (b) a3b3 |

5. The least number that is divisible by all the numbers from 1 to 10 (both inclusive) is : |

(a) 10 (b) 100 (c) 504 (d) 2520 |

6. 7 × 11 × 13 × 15 + 15 is : |

(a) composite number (b) prime number |

(c) neither composite nor prime (d) none of these |

7. 1.23 is : |

(a) an integer (b) an irrational number (c) a rational number (d) none of these |

8. If two positive integers p and q can be expressed as p = ab2 and q = a2b; a, b being prime numbers, then LCM (p, q) is : |

(a) a^{2}b^{2} (b) ab (c) ac^{3}b^{3 }(d) a^{3}b^{2 } |

9. Euclid’s division lemma states that for two positive integers a and b, there exist unique integers q and r such that a = bq + r, where : |

(a) 0 < r ≤ b (b) 1 < r < b (c) 0 < r < b (d) 0 ≤ r < b |

10. 3.24636363... is : |

(a) a terminating decimal number (b) a non-terminating repeating decimal number |

(c) a rational number (d) both (b) and (c) |

11.( n + 1)^{2} – 1 is divisible by 8, if n is : |

(a) an odd integer (b) an even integer (c) a natural number (d) an integer |

12. The largest number which divides 71 and 126, leaving remainders 6 and 9 respectively is : |

(a) 1750 (b) 13 (c) 65 (d) 875 |

13. For some integer q, every odd integer is of the form : |

(a) 2 q (b) 2q + 1 (c) q (d) q + 1 |

14. If the HCF of 85 and 153 is expressible in the form 85 m – 153, then the value of m is : |

(a) 1 (b) 4 (c) 3 (d) 2 |

15. According to Euclid’s division algorithm, HCF of any two positive integers a and b with a > b is obtained by applying Euclid’s division lemma to a and b to find q and r such that a = bq + r, where r must satisfy : |

(a) 1 < r < b (b) 0 < r < b (c) 0 ≤ r < b (d) 0 < r ≤ b |

## Saturday, September 15, 2012

### X Real Number MCQ Assignments in Mathematics Class X (Term I)

Labels:
10th Maths Term 01

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